Arthur Green combines the numbers of Broad-winged Hawks, the weather
patterns of high and low pressure, and the dates in September to
help us understand the conditions that characterize Broad-wing
migration.

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Arthur Green is a hawk
counter at
Chestnut Ridge Hawk Watch in
Bedford, NY.
His innovative approach to the study of hawk migration shows
the significance of high pressure systems on the peak of the
Broad-wing migration.
(Use TOC to return to the days with the big numbers of BWs.)